Darusman, Y., S. . Ermayanti, S. . Nikmawati, and A. Afriani. “Accuration of Circulating Tumor DNA (ctDNA) in Detection of Epidermal Growth Factor Receptor (EGFR) Mutation in Lung Cancer Patient Type Adenocarcinoma in M Djamil Hospital Padang ”. Respiratory Science, vol. 1, no. 1, Oct. 2020, pp. 33-45, doi:10.36497/respirsci.v1i1.6.